mmc: fsl_esdhc: update eMMC44 adapter card erase timeout

Freescale eMMC44 adapter card uses Micron N2M400FDB311A3CF eMMC
memory. According to the silicon datasheet, secure erase timeout
is 600ms. So increase erase timeout value from 250ms to 600ms.

Signed-off-by: Yangbo Lu <yangbo.lu@freescale.com>
Cc: York Sun <yorksun@freescale.com>

diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index 2bbacb36ba7feeab3b9a0b97925bc509aa14bb3f..b9bc1654d38d01cd877a0be54116d0cb003ea7a5 100644 (file)
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -387,9 +387,9 @@ esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 
        /* Workaround for ESDHC errata ENGcm03648 */
        if (!data && (cmd->resp_type & MMC_RSP_BUSY)) {
-               int timeout = 2500;
+               int timeout = 6000;
 
-               /* Poll on DATA0 line for cmd with busy signal for 250 ms */
+               /* Poll on DATA0 line for cmd with busy signal for 600 ms */
                while (timeout > 0 && !(esdhc_read32(&regs->prsstat) &
                                        PRSSTAT_DAT0)) {
                        udelay(100);